I understand that this is always better to get several batteries in boat, which serves different purpose, However, for the people who have small to medium boat like me, you won’t want to spend a lot of room place these bulky batteries. In this case, the best dual purpose battery is absolutely good option.

These batteries function as a staring and deep cycle battery at the same time. It means that dual purport batteries are not only staring the outboat engine but also can provide enough power for electronics equipment’s throughout a day. I would like to recommend here my top 3 favorites of premium and high performance best marine dual purpose battery, visit this link to get more. But if you still can’t choice the best suitable battery for your boat, you can click here to read more.

#1 Odyssey 34M-PC1500ST-M TROLLING Thunder Marine Dual Purpose Battery

It is not surprised that The Odyssey Thunder Marine Dual-Purpose Battery standing at the top of best heavy duty marine dual purpose. It is quite popular hit among angler. There are many benefits that make me love this battery like the amount of power discharged from the battery and the long lasting of charging time that it offers.

What make the Odyssey Thunder Marine Dual-Purpose Battery outstanding from others is that because It has a great and durable build created that made of high quality material. Although this battery is quite expensive, it can serve great performance for such a long time, what makes it worth your money. This battery also does the good job of recovers, so you do not need to worry about continuously dies battery.

It will make an essential and useful addition to anglers’ gear. This may be not the ideal option for who are on the budget, but it is a worthy and smart investment for long term use.

It is very difficult to find the other dual-purpose marine batteries that can beat the Thunder Marine battery when it comes to construction and performance. Besides, this battery is also low maintenance as it can suffer from extreme heat and cold environment and also being designed to vibration resistant. Apart from high price tag, the battery is also bulky with heavy weight, so it may not the ideal option for smaller boat.

#2 Optima Batteries 8027-127 D27M BLUETOP Starting and Deep Cycle Marine Battery 

If money is not your problem and the long lasting charge is what you looking for, the Optima Bluetop battery is absolutely what you should look over. The battery has been received many positive feedbacks from users. It can be able to start a boat motor and provide power for electrical equipment on the boat as well. The spiral-wound cell technology making this battery is more durable and longevity than other normal batteries in the long run.

It may not the good option if you need a friendly budget battery, but it can be the great investment as under proper maintenance, it has a very long shelf-life. It also has the good construction with quality case for prevent leaking and spilling.

Optima Batteries BLUETOP has a compact size, which is convenient for small boat. However, it is quite heavy. There is not carrying handle or strap come with this battery

#3 NorthStar NSB-AGM31M AGM Group 31 Marine Battery 1370MCA/1150CCA

Last but not least, this is another premium dual purpose battery to choose from NorthStar Group 31. This AGM battery has 1150 cold cranking amps and can be able to reserve of 220-minute. With this high performance, your boat will have enough power to deal with even the worst situation. Not only that, this powerful battery also has more than 900 cycle of even 50% discharge and quickly starting ability.

This battery can offer you shorter time of starting than many other traditional batteries. The high quality of AGM construction ensures this is leak-proofs. The battery internal is designed to fact with vibrations and shocks with ease. It is heavy and bulky but it is because it need for the battery can be handle much amount of output power. It also provides 3 years warranty.